561111673333 has 4 divisors (see below), whose sum is σ = 561137940640. Its totient is φ = 561085406028.

The previous prime is 561111673229. The next prime is 561111673337. The reversal of 561111673333 is 333376111165.

561111673333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 561111673333 - 2²⁵ = 561078118901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561111673337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13101585 + ... + 13144342.

It is an arithmetic number, because the mean of its divisors is an integer number (140284485160).

Almost surely, 2^561111673333 is an apocalyptic number.

It is an amenable number.

561111673333 is a deficient number, since it is larger than the sum of its proper divisors (26267307).

561111673333 is a wasteful number, since it uses less digits than its factorization.

561111673333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26267306.

The product of its digits is 102060, while the sum is 40.

Adding to 561111673333 its reverse (333376111165), we get a palindrome (894487784498).

The spelling of 561111673333 in words is "five hundred sixty-one billion, one hundred eleven million, six hundred seventy-three thousand, three hundred thirty-three".